https://test-english.com/grammar-points/a1/past-simple-regular-irregular/3/
https://agendaweb.org/verbs/past-continuous-past-simple-exercises.html
https://test-english.com/grammar-points/a2/past-continuous-past-simple/
https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive.htm
https://www.english-4u.de/en/tenses-exercises/past-simple-past-progressive.htm
https://www.ego4u.com/en/cram-up/grammar/simpas-paspro/exercises
https://www.perfect-english-grammar.com/past-simple-past-continuous-exercise-1.html
https://learnenglish.britishcouncil.org/grammar/english-grammar-reference/past-simple
https://www.englisch-hilfen.de/en/exercises/questions/simple_past.htm
https://www.perfect-english-grammar.com/past-simple-exercise-5.html
